Score vs average
168.5
+2.5 vs league average
68 games
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Sarah Williams
WNBA referee stats and assignments
WNBA referee
WNBA official profile
Sarah Williams
Referee · WNBA
Fouls vs average
37.2
+1.3 vs league average
68 games
Close-game scoring
170.7
+2.2 vs league in tight games
24 close games
How games feel
Typical historical game environment associated with this official. Descriptive history only.
Slightly higher-scoring environment
High evidence
Games officiated by this official averaged 168.5 combined points, 3.5 more points per game than the league average.
League average 165 combined points
Above-average fouls volume
High evidence
Averaged 37.2 fouls per game (+3.2 vs league).
League average 34 fouls
Standout New York Liberty split
Limited evidence
New York Liberty is 11-0 (100.0%) across 11 games with this official, +34.3 percentage points above the team baseline (65.7%).
Team baseline 65.7% across 201 games
Fewer late-game whistles
High evidence
In close finishes, whistle rate historically drops versus earlier periods after intentional-foul filtering.
Late-game profile: Swallows Whistle
Moderate game-to-game volatility
High evidence
Whistle volume varies moderately game to game in the scouting sample window.
Descriptive stability of whistle volume, not a market forecast
Multi-season sample on file
High evidence
Profile spans 3 seasons in this dataset (2024–2026).
Team effects versus baseline
Win rate with this official compared with each team's overall win rate in the same seasons on file (2021 to 2026). A positive delta means the team wins more often with this official assigned; a negative delta means less often. Rows are sorted by the largest absolute gaps. Descriptive history only - not proof of cause. Minimum 8 shared games per row.
| Team | Games | W-L with official | Team baseline | Delta (pp) | Sample |
|---|---|---|---|---|---|
 New York Liberty | 11 | 11-0 (100.0%) | 61.8% | Thin | |
 Dallas Wings | 11 | 1-10 (9.1%) | 41.6% | Thin | |
 Seattle Storm | 11 | 2-9 (18.2%) | 47.8% | Thin | |
 Chicago Sky | 9 | 2-7 (22.2%) | 42.2% | Thin | |
 Golden State Valkyries | 9 | 7-2 (77.8%) | 61.0% | Thin | |
 Phoenix Mercury | 10 | 6-4 (60.0%) | 44.3% | Thin | |
 Atlanta Dream | 8 | 5-3 (62.5%) | 48.3% | Thin | |
 Connecticut Sun | 12 | 5-7 (41.7%) | 55.0% | Thin | |
 Los Angeles Sparks | 10 | 4-6 (40.0%) | 36.5% | Thin | |
 Las Vegas Aces | 10 | 7-3 (70.0%) | 71.8% | Thin | |
 Washington Mystics | 11 | 5-6 (45.5%) | 46.1% | Thin |
Historical environment
Scoring, whistle, and stability context from this official's verified sample versus league averages. Descriptive history only. Window: 2022–2026.
League comparison
Combined score
Official 168.5Baseline 165.0+3.5 vs leagueper game
Fouls+3.2 vs league
Whistle detail
Whistle profile
Whistle volume, penalty disposition, and high-leverage game-state tendencies.
62
Near-average foul-call profile
Stability
- Sample size
- 68 games
- Seasons on file
- 2024, 2025, 2026
Officiating style
Official Sarah Williams profiles as a game-flow (high subjective ratio) over the last 50 games. Whistle volume stays relatively stable in high-stakes settings.
- 90% subjective vs 10% procedural whistle mix.
- Not pressure-sensitive in the last 50 games.
Win/loss and line history
General stats
- Games
- 68
- Avg combined score
- 168.5
- +3.5 vs league avg
- Games over benchmark
- 48.5%
- Combined beat 165 benchmark
- Fouls per game
- 37.2
- +3.2 vs league avg
- Seasons
- 3 seasons
Pressure
Late-game whistle tendency versus earlier periods. Zero on the scale is the neutral / no-shift anchor for this official (same whistle rate late as earlier), not a league average and not a betting recommendation.
Tight-game proxy
Related officials
Explore officials who frequently work with this official or show similar historical officiating patterns.
Frequent crew partners
Officials who have appeared on the same crew most often in the available dataset.
Officials with similar historical profiles
Similarity is descriptive and based on available historical metrics. It does not imply identical decision-making.
- 47.6% over · +1.3 whistlesimilar over rate · similar whistle tendency
- 50.0% over · +1.2 whistlesimilar over rate · similar whistle tendency
- 46.8% over · +1.8 whistlesimilar over rate · similar whistle tendency
Pre-Game Context
Refficacy Dimensions
Referee Efficacy Radar
This officialLeague norm (50)
- Run stoppages60 index
How often this crew whistles during opponent scoring runs.
- Scoring pace62 index
Combined scoring in this crew's games versus league average.
- Whistle mix65 index
Contact and administrative whistle share relative to league norms.
3 metrics excluded due to insufficient event data
Index scores computed from 50 logged games in analysis window
How to read this profile
Scoring and foul totals come from WNBA Stats API game logs. Ref×team win-loss records are rebuilt from verified game logs. Team foul splits live on team pages. Tonight's assignment signals are on the WNBA slate.
1471 WNBA games from ESPN with scores, foul totals, and referee crews. Matrix: 680/807 ref×team pairs with 3+ games. 13 games skipped (no officials listed). Ref game counts rebuilt from DISTINCT game_id in game logs.